Noctilucent clouds are back for 2011 and continue spreading to ever lower latitudes.
The Landsat 5 satellite captured an image of flooding occurring along the Iowa/Nebraska border on June 30, 2011.
NASA has a robust program of exploration, technology development and scientific research that will last for years to come.
NASA's Aura Satellite has provided a view of nitrogen dioxide levels coming from the fires in New Mexico and Arizona.
The Pacific Ocean is currently in between its periodic El Niño and La Niña climate patterns. And that generally means headaches for weather and climate forecasters.
The Puyehue-Cordón volcano in Chile continues to spew ash that is still disrupting travel as far as Australia and New Zealand.
Landsat satellites captured views of Minot, N.D., showing extensive flooding following heavy rains in Canada.
Merritt Island High School engineering club members are taking their vibration data collection idea to new heights
Scientists embark this week on the second and final leg of a NASA oceanographic field campaign to study how changing conditions in the Arctic affect the ocean's chemistry and ecosystems.
NASA is diagnosing the air we breathe this summer. The low-altitude P-3B aircraft will be viewable along the I-95/Balt.-Wash. Pkwy during the mission.
The NASA/NOAA GOES satellite Project released a satellite animation of two-weeks of eruptions from the Puyehue-Cordón Caulle volcano in Chile.
On May 19, 2011, the Mississippi River reached a historic crest at Vicksburg. By early June flooding had receded but water remains high.
Arizona's largest fire in history continues to burn and Landsat data is being used to plan firefighting containment strategies and mitigation efforts.
Several NASA satellites have tracked the ash plume from the eruption of Puyehue-Cordón Caulle around the world.
What do a changing climate and rising sea levels mean for thousands of small islands that hug the coasts of the world's landmasses?
The J-2X engine's fuel turbopump first stage nozzle passed a test to ensure it can withstand its extreme operating environment.
NASA's 'Age of Aquarius' dawned Friday with the launch of an international satellite carrying the agency-built Aquarius instrument that will measure the saltiness of Earth's oceans to advance our understanding of the global water cycle and improve climate forecasts.
Landsat 5 satellite images showing the area between Springfield and Sturbridge, Mass. before and after the tornado on June 1, 2011
Two NASA satellites unique views of the eruption of the Puyehue-Cordón Caulle volcano in Chile this week.
The Aquarius/SAC-D observatory has successfully separated from its rocket, ground controllers have acquired its signal, and its solar arrays have been deployed.